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W719

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ID = 21586
       
 
   
Tube type:  Vacuum Pentode   VHF   Controlling (mu) 
Identical to W719 = EF85 = 6BY7

Base Noval, 9 pin miniature (USA pico-9) B9A
Filament Vf 6.3 Volts / If 0.3 Ampere / Indirect / Specified voltage AND current AC/DC
Information source Röhren-Taschen-Tabelle, (Franzis RTT)   
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no7_g_5.gif W719: RTT Schwandt
Günther Stabe † 19.8.20

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Just Qvigstad
Usage in Models 3= 1955 ; 3= 1956 ; 4= 1957? ; 1= 1960??

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):11

Collection of

 
w719.jpg

 

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